Home / 13,265.54-18,305.72-7,297.16

Finding the Fourth Proportional to 13,265.54, 18,305.72 and 7,297.16

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Solution

The fourth proportional to 13,265.54, 18,305.72 and 7,297.16 is: 10,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.54 : 18,305.72 = 7,297.16 : x
  2. Step 2: Convert to fraction form
    13,265.54/18,305.72 = 7,297.16/x
  3. Step 3: Cross multiply
    13,265.54x = 18,305.72 × 7,297.16
  4. Step 4: Simplify right side
    13,265.54x = 133,579,767.76
  5. Step 5: Solve for x
    x = 133,579,767.76/13,265.54
  6. Step 6: Final answer
    x = 10,069.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.